Gaya APA
PETERSON, P, W. (2005).
CHANGING PERPECTIVES: A REVIEW OF THE ENGLISH TENSE SYSTEM: BOOK 2 (2).
Amerika:
Libraries Unlimited.
Gaya MLA
PETERSON, PATRICIA, WILCOX.
"CHANGING PERPECTIVES: A REVIEW OF THE ENGLISH TENSE SYSTEM: BOOK 2".
2
Amerika:
Libraries Unlimited,
2005.
Text.